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Ultimate Homemade Reuben Casserole Bake: Easy Weeknight Comfort Food

A hearty, square slice of homemade reuben bake featuring layers of corned beef, sauerkraut, and a crispy, cheesy topping.

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Make this easy Homemade Reuben Bake for a comforting twist on the classic sandwich. Layer corned beef, sauerkraut, and Swiss cheese between rye bread for a simple, cheesy casserole perfect for busy weeknights.

Ingredients

Scale
  • 1 pound sliced corned beef, chopped
  • 1 (16 ounce) can sauerkraut, drained well
  • 1 cup Thousand Island dressing
  • 1 pound Swiss cheese, shredded
  • 12 slices rye bread, crusts removed and cut into cubes
  • 4 tablespoons unsalted butter, melted
  • 1 teaspoon Dijon mustard

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Grease a 9×13 inch baking dish.
  2. In a large bowl, combine the chopped corned beef, drained sauerkraut, Thousand Island dressing, and Dijon mustard. Mix until everything is evenly coated.
  3. Place half of the rye bread cubes in a single layer in the bottom of the prepared baking dish.
  4. Spread half of the corned beef mixture evenly over the bread layer.
  5. Sprinkle half of the shredded Swiss cheese over the meat mixture.
  6. Repeat the layers: remaining rye bread cubes, remaining corned beef mixture, and remaining Swiss cheese.
  7. Brush the top layer of cheese lightly with the melted butter.
  8. Bake for 25 to 30 minutes, or until the cheese is melted and bubbly and the top is lightly golden brown.
  9. Let the bake rest for 5 minutes before slicing and serving.

Notes

  • For an extra crispy top, you can lightly toast the rye bread cubes before assembling the casserole.
  • You can substitute pastrami for corned beef if you prefer.
  • Make ahead: Assemble the entire casserole, cover it, and refrigerate for up to 24 hours. Add 10 minutes to the baking time if baking directly from the refrigerator.

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